Harvard Business Review just released its annual scorecard of the world's 100 best chief executives, and technology companies are well represented. The list evaluates long-term performance of CEOs by looking at shareholder returns and increase in market capitalization over their entire tenure in office. Click on for the top 10 CEOs, starting with No. 10, John Chambers, of Cisco Systems. Industry adjusted shareholder return, 873 percent. Market capitalization increase, $143 billion.